Penny Küfer thought this job would be a holiday.She’s been hired to protect a legendary pearl—and the fiancée of a world-famous shipowner—during the maiden voyage of a luxurious new cruise ship.Sunshine, sea breeze, a bit of light bodyguard duty.What could possibly go wrong?Everything.Because now the pearl has been stolen.The fiancée has vanished without a trace.And Penny is stuck in the middle of the ocean—with a killer who isn’t done yet…